DXS Refrigerant Transition Support Team

United States Environmental Protection Agency (EPA) Regulator Actions

Under subsection (i) of the American Innovation and Manufacturing (AIM) Act, EPA may restrict the use of hydrofluorocarbons (HFCs) by rule in a sector or subsector. Below are rulemakings related to the Technology Transitions Program.

Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Safe Refrigerant Transition Task Force

AHRI’s Safe Refrigerant Transition Task Force has been formed to address every step of the supply chain in the safe refrigerant transition to low-global warming potential refrigerants. The task force comprises AHRI members and stakeholders employed with contractors, government agencies, the fire service, unions, training organizations, and other businesses.

Air-Conditioning, Heating, and Refrigeration Institute (AHRI) Fact sheet on A2L Refrigerants and Flammability

Lower Global Warming Potential Refrigerants: Frequently Asked Questions

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ASHRAE Standard 15/34-2022 Resources

ANSI/ASHRAE Standard 15-2022, Safety Standard for Refrigeration Systems, and ANSI/ASHRAE Standard 34-2022, Designation and Safety Classification of Refrigerants

Preparing for A2L Refrigerants

In late 2021, the United States Environmental Protection Agency (EPA) issued a rule implementing legislation that mandates an 85-percent nationwide phasedown in hydrofluorocarbon (HFC) refrigerants by 2036.

Tenth edition of the MA State Building Code 780

The tenth edition building code was filed with the Secretary of State on Tuesday, September 24, 2024 and became effective on October 11, 2024.

Massachusetts Advisory Regarding the Use of A2L Refrigerants

The following advisory was issued pursuant to M.G.L. c. 30A, §8 by the Board of Building Regulations and Standards (“BBRS”) at its regular meeting held on November 12, 2024. The purpose of this advisory will be to advise stakeholders, including registered design professionals, installers, and building officials of the BBRS’ interpretation of the application of the 10th Edition Massachusetts Building Code (780 CMR) to the use of equipment utilizing A2L refrigerants.